Patents by Inventor Gianni Zanichelli

Gianni Zanichelli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Collar for gas pipelines
    Patent number: 4165111
    Abstract: A collar for fitting onto a pipe, particularly for the purpose of inserting said pipe into another without damaging the lagging on the pipe of smaller diameter. Said collar consists of a flexible band with meshing teeth, which is wrapped about a pipe and its ends. This collar is secured by bringing said teeth into contact and thus closing the band around said pipe.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: August 21, 1979
    Assignee: RACI S.p.A.
    Inventor: Gianni Zanichelli